2015
DOI: 10.1016/j.applanim.2014.12.002
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Acute stress enhances sensitivity to a highly attractive food reward without affecting judgement bias in laying hens

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Cited by 39 publications
(47 citation statements)
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References 35 publications
(53 reference statements)
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“…Evidence for an effect of emotion manipulation on judgement bias was reported in all studies except Hernandez et al (2015).…”
Section: Active Choice Task With Positive Reinforcement (+ +)mentioning
confidence: 95%
See 1 more Smart Citation
“…Evidence for an effect of emotion manipulation on judgement bias was reported in all studies except Hernandez et al (2015).…”
Section: Active Choice Task With Positive Reinforcement (+ +)mentioning
confidence: 95%
“…A second type of judgement bias task, the active choice task, was developed to address Lea, Ferguson, & Lee, 2015). Evidence for an effect of emotion manipulation on judgement bias was reported in all studies except Hernandez et al (2015).…”
Section: Active Choice Task With Positive Reinforcement (+ +)mentioning
confidence: 99%
“…This results in an adaptive enhanced expectation of negative outcomes under ambiguity leading to risk-averse, or pessimistic, decisions. At the same time, however, there are data suggesting that mild negative mood states may be associated with an increase in reward valuation [4044], perhaps because acquiring available rewards can help to enhance mood state; a form of mood repair [43, 45]. Longer-term and deeper negative moods may, on the other hand, be associated with devaluation of reward as evidenced by anhedonic responses [46], perhaps functioning to minimise activity and associated risks and energy expenditure [47].…”
Section: Discussionmentioning
confidence: 99%
“…On the other hand, some adverse conditions have also been found to increase the sensitivity to reward (Van den Berg et al 1999). For example, acute stress caused by isolation increased the motivation for food in hens (Hernandez et al 2015), and chronic mild stress in rats and music inducing a depressed mood in humans increased the motivation for highly positive sweet food rewards, albeit the latter can also be interpreted as a measure of craving rather than response to the reward (Willner et al 1998). The relationship between mood and reward sensitivity is thus not that straightforward.…”
Section: Motivation To Run For the Rewardmentioning
confidence: 99%